16
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EGH-1028 (optional) — For
measuring the bottoms of
“O” ring grooves, recesses and
holes to depths of ¼"/6.35mm.
Also used for short lands and
shoulders. 90° conical diamond
stylus—0.0004"/10
P
m radius.
The Groove Bottom Probe can only be used in the 180° “Extended” position with the Pocket Surf unit supported
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(continued)
1. Turn the Pocket Surf unit upside down and swivel the
Probe to its 90° “Extended” position.
2. Loosen the knurled Locking Collar by turning it
counterclockwise approximately 2 1/2 turns, until the
access slot is aligned with the Probe Pin slot in the
Probe Mounting Block. Grasping the probe by its body
section, carefully withdraw the Probe from its Mounting
Block and the knurled Locking Collar.
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Caution:
Do not remove the knurled Locking Collar
from the Probe Mounting Block; loosen it only enough
to slide the Probe out easily.
3. Reverse the procedure to install a Probe, aligning the
Pin on the bottom of the probe body with the access
slot in the Locking Collar.
Note:
Make sure that the Probe is fully inserted into
the Probe Mounting Block (so that the electrical con-
nector is completely engaged) before tightening the
Locking Collar.
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4. Check the gage’s calibration after changing Probes.
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